How long does JAMA take to review?

JAMA (Journal of the American Medical Association) typically takes 2-3 weeks to first decision. The full review process involves 7 main stages: manuscript preparation, submission via jama network portal, and peer review.

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JAMA (Journal of the American Medical Association) Impact Factor 55.0: Publishing Guide

Q: What is the impact factor of JAMA (Journal of the American Medical Association)?

JAMA (Journal of the American Medical Association) has an impact factor of 55.0 (2024). This places it among the top-tier journals in its field with JAMA (Journal of the American Medical Association) is one of the most widely read clinical journals in the world, with an impact factor over 55 and a weekly readership of more than 300,000 physicians.

Q: What is the acceptance rate of JAMA (Journal of the American Medical Association)?

JAMA (Journal of the American Medical Association) has an acceptance rate of <5%. A common reason for rejection is writing for a specialist or researcher audience. JAMA's audience is practicing physicians, not subspecialty researchers. Dense academic prose, excessive methodological detail in the main text, field-specific jargon without definition, and assumption of subspecialty knowledge all generate desk rejection. The first paragraph of your abstract should be readable by any physician, not just experts in your field.

Q: Is JAMA (Journal of the American Medical Association) peer reviewed?

Yes, JAMA (Journal of the American Medical Association) is fully peer reviewed. All submissions undergo rigorous peer review by A senior editor assesses whether the paper meets JAMA's threshold for clinical significance, broad physician appeal, and methodological adequacy. Approximately 75-80% of submissions are desk rejected at this stage - the highest desk rejection rate among top medical journals. Common desk rejection reasons: subspecialty scope better suited to a JAMA Network journal, single-center data without justification, insufficient clinical significance, or obvious methodological problems. Desk rejections typically arrive within 1-2 weeks..

Q: What does JAMA look for in submissions?

Immediate clinical applicability: JAMA's primary reader is a practicing physician seeing patients, not a researcher designing the next study. Every paper must answer a question clinicians actually face. The editorial test is explicit: would a general internist or family physician change what they do for patients after reading this? If the answer is no, the paper belongs in a specialty journal.

Q: What should I know before submitting to JAMA?

The JAMA Network specialty journals are a genuine publication pathway. JAMA, JAMA Internal Medicine, JAMA Surgery, JAMA Cardiology, JAMA Oncology, JAMA Neurology, JAMA Psychiatry, JAMA Pediatrics, and JAMA Dermatology are all published by the same organization with shared editorial standards. If your paper is rejected from main JAMA with positive reviews, a transfer invitation to a JAMA Network specialty journal is common. These are top journals in their fields, not fallbacks.

Where clinical evidence meets physician practice: rigorous, readable, and immediately applicable

55.0

Impact Factor (2024)

<5%

Acceptance Rate

2-3 weeks to first decision

Time to First Decision

What JAMA Publishes

JAMA (Journal of the American Medical Association) is one of the most widely read clinical journals in the world, with an impact factor over 55 and a weekly readership of more than 300,000 physicians. Founded in 1883 and published by the American Medical Association, JAMA occupies a distinct position among top medical journals: it publishes clinical research with explicit emphasis on readability and immediate applicability to patient care. Where NEJM publishes landmark clinical trial results and Lancet covers global health and policy, JAMA focuses relentlessly on what a practicing internist, hospitalist, or family physician can take from a paper and use with patients tomorrow morning. The writing standard is the highest in medicine - JAMA's editorial team rewrites accepted papers for clarity more aggressively than any other top journal.

Randomized controlled trials with direct practice implications for general medicine, presented with effect sizes and confidence intervals that allow clinical application
Large observational studies from multi-center or nationally representative datasets - single-center studies are rarely accepted unless the condition is so rare that multi-center recruitment is impossible
Systematic reviews and meta-analyses synthesizing evidence for clinical decisions, with clear 'bottom line' guidance for physicians reading without specialist background
Health policy research examining access, costs, outcomes, and equity in the US and international healthcare systems - particularly research relevant to AMA policy priorities
Quality improvement research and implementation science with measurable patient outcomes
Comparative effectiveness studies examining real-world treatment choices across large populations
Research addressing health disparities, with particular emphasis on underrepresented populations and social determinants of health

Editor Insight

“JAMA is written for doctors who see patients. If your paper would only interest researchers, it belongs elsewhere. The test is simple: would a general internist change what they do for patients after reading this? That question drives every editorial decision.”

What JAMA Editors Look For

Immediate clinical applicability

JAMA's primary reader is a practicing physician seeing patients, not a researcher designing the next study. Every paper must answer a question clinicians actually face. The editorial test is explicit: would a general internist or family physician change what they do for patients after reading this? If the answer is no, the paper belongs in a specialty journal.

Exceptional readability and writing quality

JAMA has the most aggressive editorial standards for prose clarity among all top medical journals. Dense academic writing, excessive jargon, passive voice overuse, and convoluted sentence structure will not survive the editorial process. Accepted papers are substantially rewritten by JAMA's editorial staff. Write for a smart, busy, non-specialist physician - not for a grant reviewer.

Rigorous methodology with transparent limitations

Methods must be bulletproof: pre-registered trials, appropriate statistical power, correct analysis for the study design, and honest acknowledgment of what the study cannot conclude. JAMA has a dedicated statistical review team that examines every paper that clears desk review. Statistical shortcuts and overreaching conclusions are reliably caught and cited in rejection letters.

Clinical significance, not just statistical significance

JAMA pioneered the move away from p-value fixation in clinical research reporting. Effect sizes, number needed to treat, absolute risk reduction, and confidence intervals are required. A statistically significant finding that produces a 0.2% absolute risk reduction in a surrogate endpoint will not impress JAMA editors regardless of p-value. The clinical magnitude of the effect must be both real and large enough to matter.

Multi-center generalizability

Single-institution studies are viewed with skepticism unless the condition, procedure, or intervention makes multi-center research genuinely impractical. Diverse study populations, real-world patient samples (not highly selected trial populations), and findings that hold across different practice settings substantially strengthen submissions.

Patient-centered outcomes

JAMA explicitly prioritizes outcomes that matter to patients - mortality, quality of life, functional status, symptom burden, and patient experience - over surrogate endpoints that interest researchers but may not translate to patient benefit. Trials that use laboratory or imaging surrogates as primary endpoints face editorial skepticism even when the surrogates are validated.

Compliance with reporting standards

CONSORT checklist and flow diagram for randomized trials, STROBE for observational studies, PRISMA for systematic reviews, and STARD for diagnostic accuracy studies are all required. Missing or incomplete checklists at submission signal that authors did not read the instructions and generate immediate negative impressions before editors have read the paper.

Why Papers Get Rejected

These patterns appear repeatedly in manuscripts that don't make it past JAMA's editorial review:

Writing for a specialist or researcher audience

JAMA's audience is practicing physicians, not subspecialty researchers. Dense academic prose, excessive methodological detail in the main text, field-specific jargon without definition, and assumption of subspecialty knowledge all generate desk rejection. The first paragraph of your abstract should be readable by any physician, not just experts in your field.

Submitting subspecialty research to the flagship journal

Research that would only interest cardiologists belongs in JAMA Cardiology. Research for oncologists belongs in JAMA Oncology. The main JAMA is for studies that any physician would want to read. If your paper has genuine broad appeal, submit to JAMA. If it is primarily for specialists, submit to the appropriate JAMA Network specialty journal - these are excellent journals, not consolation prizes.

Overemphasizing p-values

JAMA's statistical review team will flag p-value-focused reporting in revision comments. Effect sizes, confidence intervals, number needed to treat, and absolute risk differences are what editors and readers want. A treatment that reduces relative risk by 20% sounds impressive until you learn the baseline rate is 1% - making absolute risk reduction 0.2%. JAMA will surface that math.

Ignoring the structured abstract format

JAMA uses a mandatory structured abstract with specific headings: Importance, Objective, Design, Setting, Participants, Interventions (for trials), Main Outcomes and Measures, Results, and Conclusions and Relevance. Submitting a standard unstructured abstract signals that you have not read JAMA's author instructions, and editorial staff notice immediately. Format your abstract before submitting.

Single-center data without justification

Single-institution studies are almost never accepted at main JAMA unless the disease is extraordinarily rare or the intervention is only available at one center. If your data come from one hospital, consider whether JAMA is the right target or whether a multi-center collaboration would make the work publishable at this level.

Omitting or understating limitations

JAMA values rigorous, honest science. Papers that present findings as definitive when they are not, minimize confounding in observational studies, or claim causation from correlation invite rejection. A detailed, candid limitations section that accurately describes what the study cannot conclude is a sign of scientific maturity, not weakness.

Missing trial registration

All clinical trials must be registered in a publicly accessible registry (ClinicalTrials.gov, WHO ICTRP, or equivalent) before enrollment begins, per ICMJE requirements that JAMA enforces strictly. The registration number belongs in the abstract and methods. Trials without pre-registration, or with registration after enrollment began, face immediate rejection.

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Insider Tips from JAMA Authors

The JAMA Network specialty journals are a genuine publication pathway

JAMA, JAMA Internal Medicine, JAMA Surgery, JAMA Cardiology, JAMA Oncology, JAMA Neurology, JAMA Psychiatry, JAMA Pediatrics, and JAMA Dermatology are all published by the same organization with shared editorial standards. If your paper is rejected from main JAMA with positive reviews, a transfer invitation to a JAMA Network specialty journal is common. These are top journals in their fields, not fallbacks.

JAMA edits accepted papers more aggressively than any other top journal

After acceptance, JAMA's editorial team substantially rewrites papers for clarity and readability. This is expected and part of the journal's brand. Do not be attached to your exact wording. The edited version will be shorter, cleaner, and more accessible. Cooperate with the editing process rather than pushing back on every change.

The 'Importance' line in your structured abstract is the most important sentence you write

JAMA's structured abstract opens with 'Importance:' - a 1-2 sentence statement of why the clinical question matters. Editors form their first impression from this line before reading anything else. It should state the clinical problem, explain why it is unresolved or why existing evidence is inadequate, and imply that your study addresses it. Make it specific, not generic.

JAMA Research Letters punch above their weight

A well-done Research Letter in JAMA - 600 words, 1 figure or table, 6 references - can accumulate more citations and clinical impact than a full paper in a lower-tier journal. If your finding is focused and important but doesn't require a full-length treatment, a Research Letter is not a lesser option. For new, potentially practice-changing data from a secondary analysis or natural experiment, it may be ideal.

Statistical review is rigorous and independent

JAMA's statistical review team examines every manuscript that clears initial desk review. They look specifically at sample size justification, appropriateness of statistical tests for the study design, handling of missing data, multiplicity corrections, and whether conclusions match the actual data. Address your statistics as carefully as your clinical argument - they get equal scrutiny.

US healthcare relevance gets extra consideration

JAMA is published by the American Medical Association. Research directly relevant to US healthcare delivery, insurance policy, Medicaid/Medicare populations, or AMA priority areas gets favorable consideration. International studies should contextualize findings for a US physician audience. This doesn't mean limiting your scope - it means making the US clinical relevance explicit.

Pre-registered studies are viewed favorably

JAMA participates in registered reporting and views pre-registered studies favorably, particularly for trials and pre-specified analyses. Pre-registration signals methodological rigor and reduces concerns about outcome switching. If your analysis was pre-specified in a registered protocol, state this prominently and provide the registration link.

Two-to-three week first decisions are real - and binding

JAMA's 2-3 week first decision timeline is accurate and reflects a genuinely fast editorial triage. Most decisions at this stage are desk rejections. If you receive a desk rejection within days, it means editors found the paper outside their scope or insufficient in clinical significance - not that it lacks scientific merit. Consider the JAMA Network journals immediately rather than revising and resubmitting.

The JAMA Submission Process

Manuscript preparation

Before submission

Prepare your manuscript in the exact JAMA format: structured abstract with mandatory headings (Importance, Objective, Design, Setting, Participants, Interventions, Main Outcomes and Measures, Results, Conclusions and Relevance), main text within word limits (3,000 words for Original Investigation, 600 for Research Letter), and up to 5 tables and figures combined for Original Investigation. Include a cover letter explicitly stating the clinical significance and why the paper fits JAMA's readership. Complete the relevant reporting checklist (CONSORT, STROBE, PRISMA) and include it as a supplementary file.

Submission via JAMA Network portal

Day 1

Submit through JAMA's online manuscript management system at jamanetwork.com. All authors must complete conflict of interest disclosures. The corresponding author must confirm IRB approval, patient consent procedures, and trial registration (for clinical trials). Suggested reviewers are accepted but editors are not required to use them. Do not suggest reviewers who are close collaborators or from the same institution.

Editorial triage and desk review

1-2 weeks

A senior editor assesses whether the paper meets JAMA's threshold for clinical significance, broad physician appeal, and methodological adequacy. Approximately 75-80% of submissions are desk rejected at this stage - the highest desk rejection rate among top medical journals. Common desk rejection reasons: subspecialty scope better suited to a JAMA Network journal, single-center data without justification, insufficient clinical significance, or obvious methodological problems. Desk rejections typically arrive within 1-2 weeks.

Statistical review

Concurrent with peer review

Papers clearing desk review are simultaneously sent to JAMA's statistical review team and peer reviewers. Biostatisticians examine sample size justification, analysis appropriateness for the study design, handling of missing data, multiple comparisons correction, and whether stated conclusions are supported by the actual results. Statistical concerns are reported directly to editors and authors in the decision letter.

Peer review

3-5 weeks

JAMA assigns 2-3 external peer reviewers - typically clinician-researchers with direct expertise in the clinical area. Reviewers assess validity, clinical relevance, generalizability, and whether findings are likely to change practice. Reviewer comments tend to focus more on clinical interpretation and applicability than methodology (which the statistical team handles separately). The full review cycle takes 3-5 weeks after reviewer assignment.

Decision and revision

Decision within 2-3 weeks of final review; 60 days to revise

Decision options: Accept, Major Revision, Minor Revision, or Reject. Acceptance without revision is rare. Major revisions require additional analyses, expanded subgroup data, or restructuring of the clinical argument. You typically have 60 days to submit a revision. The point-by-point response letter must address every reviewer and statistical editor comment. Papers that fully address concerns and do not require new data collection are usually accepted on first revision.

Editorial revision and publication

4-8 weeks from acceptance to publication

Accepted papers undergo substantial editorial rewriting by JAMA's staff for clarity, conciseness, and readability. This is standard practice at JAMA and part of its editorial brand - not a sign of problems. Proofs are returned quickly. Published papers appear in the weekly print and online issue, indexed in PubMed within days. High-impact papers are embargoed until publication and may receive press coverage through JAMA's media office.

JAMA by the Numbers

2024 Impact Factor(Clarivate JCR 2024 - among highest in clinical medicine)	55.0
CiteScore (Scopus)(4-year citation window)	82.1
Submissions per year	~7,000
Overall acceptance rate	<5%
Desk rejection rate(Highest among major clinical journals)	~75-80%
Post-review acceptance	~25-30% of reviewed manuscripts
Time to first decision	2-3 weeks
Time to publication (accepted)	4-8 weeks
Publication frequency	Weekly, 48 issues/year
Readership	300,000+ physicians worldwide
Open access option(Not required; default is subscription access)	CC BY, ~$3,000+ APC
Founded(Published by the American Medical Association)	1883

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Article Types

Original Investigation

3,000 words

Full-length reports of clinical research including randomized trials, large observational studies, and systematic reviews. Must have direct implications for clinical practice or health policy. Up to 5 combined figures and tables. Structured abstract required.

Research Letter

600 words

Brief, focused reports of important findings that do not require full article treatment. High impact-per-word format at JAMA. No abstract. Up to 1 figure or table, 6 references. Ideal for secondary analyses, natural experiments, and time-sensitive data.

Systematic Review and Meta-analysis

3,500 words

Evidence synthesis with direct clinical guidance. PRISMA checklist required. Must include clear clinical bottom-line guidance in conclusions. Meta-analyses without systematic search methods or with high heterogeneity face scrutiny.

JAMA Insights: Clinical Case & Images

~400 words, 1-2 images

Case presentations paired with high-quality diagnostic imaging, histopathology, or clinical photographs with clear teaching value. Often the most read content in each issue. Requires compelling visual element and concise clinical teaching point.

Viewpoint

~1,200 words

Opinion and commentary on clinical, research, or policy topics by authors with recognized expertise. Usually invited but unsolicited submissions are accepted. Must take a clear position supported by evidence, not a balanced 'on one hand, on the other hand' treatment.

Landmark JAMA Papers

Papers that defined fields and changed science:

Framingham Heart Study landmark cardiovascular risk findings (multiple decades of publications)
Women's Health Initiative - hormone replacement therapy risks in postmenopausal women (2002)
ALLHAT trial - antihypertensive treatments and cardiovascular outcomes (2002, changed hypertension practice globally)
Effect of intensive glucose lowering in type 2 diabetes (ACCORD trial, 2008)
COVID-19 clinical characterization and treatment studies (2020-present, among most-cited pandemic research)

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Primary Fields

General Internal MedicinePrimary Care and Family MedicineClinical Epidemiology and BiostatisticsHealth Policy and Health Services ResearchUS Healthcare System and InsurancePreventive Medicine and Public HealthMedical EducationPatient Safety and Quality ImprovementHealth Equity and Disparities Research

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